1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2012 Chelsio Communications, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 */
29
30#ifndef _NETINET_TCP_OFFLOAD_H_
31#define _NETINET_TCP_OFFLOAD_H_
32
33#ifndef _KERNEL
34#error "no user-serviceable parts inside"
35#endif
36
37#include <netinet/tcp.h>
38
39extern int registered_toedevs;
40
41struct tcpcb;
42
43int tcp_offload_connect(struct socket *, struct sockaddr *);
44void tcp_offload_listen_start(struct tcpcb *);
45void tcp_offload_listen_stop(struct tcpcb *);
46void tcp_offload_input(struct tcpcb *, struct mbuf *);
47int tcp_offload_output(struct tcpcb *);
48void tcp_offload_rcvd(struct tcpcb *);
49void tcp_offload_ctloutput(struct tcpcb *, int, int);
50void tcp_offload_tcp_info(const struct tcpcb *, struct tcp_info *);
51int tcp_offload_alloc_tls_session(struct tcpcb *, struct ktls_session *, int);
52void tcp_offload_detach(struct tcpcb *);
53void tcp_offload_pmtu_update(struct tcpcb *, tcp_seq, int);
54
55#endif